Part Details | HEXAGON HEAD CAP SCREW
5305-01-443-6648 An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. Excludes BOLT,MACHINE; BOLT,EXTERNALLY RELIEVED BODY; BOLT,INTERNAL WRENCHING; and SCREW,CAP,SOCKET HEAD.
Alternate Parts: LLHX94845, LL-HX9-4845, FFS85, FF-S-85, 3387C77H02, 5305-01-443-6648, 01-443-6648, 5305014436648, 014436648
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | APR 15, 1997 | 01-443-6648 | 18257 ( SCREW, CAP, HEXAGON HEAD ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON
Cross Reference | NSN 5305-01-443-6648
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| LL-HX9-4845 | 14153 | DEFENSE LOGISTICS AGENCYDBA DEFENSE SUPPLY CENTER |
| FF-S-85 | 81349 | MILITARY SPECIFICATIONSPROMULGATED BY MILITARY |
| 3387C77H02 | 04804 | NORTHROP GRUMMAN SYSTEMS CORPORATIONDBA ES POWER CONTROL SYSTEMS |
Technical Data | NSN 5305-01-443-6648
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNC |
| THREAD LENGTH | 1.060 INCHES MINIMUM |
| FASTENER LENGTH | 1.250 INCHES NOMINAL |
| HEAD STYLE | HEXAGON |
| THREAD DIRECTION | RIGHT-HAND |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| THREAD QUANTITY PER INCH | 20 |
| THREAD CLASS | 2A |
| HEAD HEIGHT | 0.350 INCHES MINIMUM AND 0.363 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 0.437 INCHES NOMINAL |
| TEST DATA DOCUMENT | 81349-MIL-P-23199 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| SPECIAL TEST FEATURES | SPECIAL QUALITY CONTROL TESTING |
| DEPARTURE FROM CITED DOCUMENT | AS MODIFIED BY MATERIAL |
| CRITICALITY CODE JUSTIFICATION | ZZZY |
| REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | AS DIFFERENTIATED BY MATERIAL WHICH MUST CONFORM TO SHIPS PARTS CONTROL CENTER SPECIAL QUALITY CONTROL PROVISONS |